| ID | Problem Show tags Hide tags | AC / Tried | Difficulty | |
|---|---|---|---|---|
| 2977 | 2977 Flight Routes G | 0 / 0 | (None) | |
| 2978 | 2978 Minimum Longest Trip G | 0 / 0 | (None) | |
| 2979 | 2979 Haybale Distribution G | 0 / 0 | (None) | |
| 2111 | USACO2456 拐杖糖盛宴 | 2 / 4 | 3 | |
| 2112 | USACO2457 密接牛追踪2 | 2 / 3 | 5 | |
| 2113 | USACO2458 农夫约翰真的种地 | 2 / 4 | 5 | |
| 2275 | USACO2459 奶牛杂技 | 2 / 2 | 5 | |
| 2276 | USACO2460 环形一致 | 2 / 3 | 5 | |
| 2277 | USACO2461 射击练习 | 2 / 2 | 5 |